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Pre-MATHCOUNTS Training Class


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Note by Finn Hulse
2 years, 8 months ago

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The worst thing is in India you don't have any such competitions. And if there are any, students don't tutor people. Big institutes buy contracts from the institute conducting the exam and conduct classes for the students at very high prices which really sucks. :/ :( Krishna Ar · 2 years, 8 months ago

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@Krishna Ar There is the AMTI-NMTC competition, but it is nothing as interactive as MATHCOUNTS. Nanayaranaraknas Vahdam · 2 years, 8 months ago

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@Nanayaranaraknas Vahdam Yes. You're right. The NMTC is nowhere close to Mathcounts. That's because in MATHCOUNTS there is proper training and stiff competition too. Whereas in NMTC only the people who are really into it ( Andhra people) top every year despite it being organised from T.N :( Krishna Ar · 2 years, 8 months ago

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@Krishna Ar I know. I am from Tamil Nadu! I can never make it past RMO. Nanayaranaraknas Vahdam · 2 years, 8 months ago

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@Nanayaranaraknas Vahdam Hey! You're a level 5. You are very creative too. You still have one more year. I definitely think you will make the cut Krishna Ar · 2 years, 8 months ago

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@Krishna Ar But NMTC is the best we can get in India. And I an quite satisfied with the standard of NMTC paper. Satvik Golechha · 2 years, 8 months ago

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@Satvik Golechha It sets the tone for INMO, and further competitions Nanayaranaraknas Vahdam · 2 years, 8 months ago

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This is so awesome! I wish I had the chance to tutor people because I love to teach people things. You're on to a great start, keep on going!

I definitely would want you to do a CD round. Questions like \(\text{What is }34+62+56+38+44+66\) (the answer is, clearly, \(100+100+100=300\)) would seem appropriate. Daniel Liu · 2 years, 8 months ago

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@Daniel Liu Thanks! Yeah that's a good idea. Something I really want to emphasize is not being scared by a problem. So I don't want to overwhelm them and make them feel rushed, but there's nothing like competition to get a little kid's mind's gears spinning! :D Finn Hulse · 2 years, 8 months ago

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Go for it, dude! Teach them how the round would be. I wish I could do something like that here but the only thing I could tutor children on is the APSMO, Australian Problem Solving Maths Olympiad, in which I got 2 gold medals. Not many children here are interested in maths. It sucks. :( Sharky Kesa · 2 years, 8 months ago

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Ummmm... I've tutored a 5th grader for two days, to get her ready for a MathCounts exam, and it was tough. She was motivated, and smart, but I didn't know what I could cover in 6 hours. I'd say you did great, but always make sure to plan ahead and make your lesson plan beforehand, not during the lesson. Chris Hambacher · 2 years, 8 months ago

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@Chris Hambacher Oh yeah I was a little on-the-spot with some of it. But it was great! :D Finn Hulse · 2 years, 8 months ago

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I really commend your attempt to train your schoolmates for MC. Few months back I tried to inspire some of my classmates to take serious preparations for RMO in hope that I'd get to see some familiar faces at the INMOTC and my friends would get to know that maths isn't all about grades, but all in vain. Everybody here is obsessed with school scores and getting into IIT (a silly overrated Indian engineering college).

That being said, best of luck to you and your students at MC next year. Continue teaching them. A student teaching his juniors for no other reason than just to teach is always appreciable.

A warning though: don't jump to the hard topics soon, they might not be able to catch up and hence lose interest. And if you're interested in giving them another good maths teaser, have them try this:

Choose any positive integer \(n.\) Ask your students to take any \(n+1\) distinct integers from the set \( \{1, 2, \cdots , 2n\}\) so that none among the chosen integers is equal to the sum of two other chosen integers. (Of course, you need to rephrase this in a more non-mathematical way. Maybe ask them to choose any \(6\) numbers between \(1\) and \(10\).)

This can never be done. Let them try it for larger integers \(n.\) They still won't be able to come up with a construction. Now, when they're totally convinced that this is impossible, ask them why they can't do this. The reasoning behind this is not very easy for a fifth grader, this is actually a spinoff of an old USAMO problem. But anyways, have your students spend hours thinking on why this isn't possible. They might not succeed, but this is a good way to get them interested. (This is how I planned to get my friends interested, but they were like "who cares".) Sreejato Bhattacharya · 2 years, 7 months ago

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@Sreejato Bhattacharya Thanks Sreejato (by the way you have the coolest name in the world)! I already see so many teaching opportunities in that problem! (I also see the proof which is really great :D). Finn Hulse · 2 years, 7 months ago

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@Sreejato Bhattacharya Hey, that's nice! I think I can try to prove it. Wish I were your friend :P Krishna Ar · 2 years, 7 months ago

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@Krishna Ar Yes, you can. It's not very hard. ;) Sreejato Bhattacharya · 2 years, 7 months ago

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@Sreejato Bhattacharya I think using pigeonhole principle and a bit of algebraic calculations. Right or not? Krishna Ar · 2 years, 7 months ago

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@Krishna Ar There are more than one ways to approach it. I used induction, but there is also a solution using the extremal principle. So, I can't really tell. Sreejato Bhattacharya · 2 years, 7 months ago

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I think that the main thing you might want to teach them is Geometry. Geo is the thing that most people don't know, but is very useful(and necessary) in MathCounts. As for the Countdown, I would go for it! Watching the CD at my chapter in 5th grade was what motivated me to do MathCounts. It's definitely a good way to encourage kids and get them to join(if they see the action). Tristan Shin · 2 years, 8 months ago

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@Tristan Shin Wow I hadn't really thought of that! That's a definite must then! Because I get a whiteboard, I'll probably draw a diagram and then let them work it out on scratch paper. Finn Hulse · 2 years, 8 months ago

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You can tutor me too! :) jk :D David Lee · 2 years, 8 months ago

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@David Lee Hah, more like you tutoring me. :D Finn Hulse · 2 years, 8 months ago

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@Finn Hulse sure, actually. lets associate through AoPS Private messages.. or jk idk whut David Lee · 2 years, 8 months ago

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Comment deleted May 26, 2014

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@Finn Hulse sure David Lee · 2 years, 8 months ago

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@David Lee Okay I'm just going to delete that for privacy. Hope you wrote it down. :D Finn Hulse · 2 years, 8 months ago

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@Finn Hulse Privacy??? ;) Krishna Ar · 2 years, 8 months ago

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@Krishna Ar As soon as he responds in some way I'll take it down. It's okay. :D Finn Hulse · 2 years, 8 months ago

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@Finn Hulse :D Krishna Ar · 2 years, 8 months ago

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Good job! I feel that it's nice that you have such initiative to help others. :D Tutor me too! :D Yuxuan Seah · 2 years, 8 months ago

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@Yuxuan Seah Haha no you're too awesome. Remind me what you got on your AMC 10? I got a 78 if that makes you feel any better. :O Finn Hulse · 2 years, 8 months ago

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@Finn Hulse Oh... I probably could have made it to the AIME if I hadn't got extremely careless. I got a 106.5

But there's always next year! Try harder, be more careful and we'll probably make it to AIME next year! :D Yuxuan Seah · 2 years, 8 months ago

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@Yuxuan Seah Are you in 7th grade too? I'm just happy that I have time. You know @David Lee got like 136.5 or something crazy and he's in 5th grade. :O Finn Hulse · 2 years, 8 months ago

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@Finn Hulse Are you serious!? Oh man. He's way too pro. Yep, I'm in 7th grade, but we call it Secondary 1 in Singapore. Yuxuan Seah · 2 years, 8 months ago

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@Yuxuan Seah Are you at Raffles and just BTW did you ever know a girl named Caitlyn Dila? She's my friend from school and she lived in Singapore for a couple of years. She went to a school with some genius named Dakh. Do any of those names ring a bell? Finn Hulse · 2 years, 8 months ago

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@Finn Hulse Yep I'm in Raffles Institution. But unfortunately I don't remember anyone with such a name. Yuxuan Seah · 2 years, 8 months ago

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@Finn Hulse How many marks is AMC 10 for? Krishna Ar · 2 years, 8 months ago

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@Krishna Ar The full mark is 150 for 25 questions. If you get it correct it's 6 marks for you; wrong gains you 0 marks; and if you leave the question unanswered you get 1.5. In spite of getting a half mark in my score, I don't seem to recall leaving any question blank. Weird. O.o Yuxuan Seah · 2 years, 8 months ago

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@Yuxuan Seah I never leave a single question blank, which isn't a very good strategy. I also take like 30 minutes carefully bubbling each answer choice. :O Finn Hulse · 2 years, 8 months ago

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@Finn Hulse Haha... Get an art pencil. They're like 2mm thick and a mere line just blackens the whole bubble immediately. It saves on time. Yuxuan Seah · 2 years, 8 months ago

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@Yuxuan Seah Thank you for that advice. That's actually incredibly helpful! :D Finn Hulse · 2 years, 8 months ago

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@Finn Hulse No prob. :) Yuxuan Seah · 2 years, 8 months ago

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@Krishna Ar 150. Finn Hulse · 2 years, 8 months ago

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Wow! Thats really fun! Even though I don't have the expertise to solve some good problems, I would love to train atleast some second-third graders for some bit of advanced math Krishna Ar · 2 years, 8 months ago

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@Krishna Ar I want to go back in time three years and teach myself. Satvik Golechha · 2 years, 8 months ago

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@Satvik Golechha Me too :(... I was really DUMB back then... ( that doesn't mean I'm good now)...but now I can see a lot of kids who are super-talented on Brilliant Krishna Ar · 2 years, 8 months ago

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@Krishna Ar I was dumb too that's kind of why I started it! So that I would make sure younger kids would have the opportunity(s) that I never had! :D Finn Hulse · 2 years, 8 months ago

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@Finn Hulse Will you train me please for Algebra and Geometry? Krishna Ar · 2 years, 8 months ago

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@Krishna Ar What would you like help with? Finn Hulse · 2 years, 8 months ago

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@Finn Hulse Almost everything :P... mostly equation solving( functional eqs, cubics, harder ones)... maximum and minimum of non-quadratic functions... and in geoemtry almost everything.....:( I'm so bad at both of them :( Krishna Ar · 2 years, 8 months ago

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@Krishna Ar For algebra, Brilliant is the perfect place to start! Look up "Finn Hulse" in the searchbar, and then set the filter to "Algebra". Look through some of my Level 3/4 problems and try them. My "Funky Functional Equations" ones are particularly good practice, but I have some others in other areas you mentioned.

As for Geometry, I can't say I'm very good at it, but it's something that comes only with practice. No teacher or website or book can teach you the right way to think. You have to develop an instinct as to how you solve problems. Like knowing what to look for, and the like. Go through AoPS's geometry problems and try them, then read the solutions. :D Finn Hulse · 2 years, 8 months ago

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@Finn Hulse :D.....May be I should learn the techniques for Algebra from the solutions of these problems...because what I'd wanted was theory....:P....and yes, only some minds CUT for doing geometry can do it exemplarily :). Krishna Ar · 2 years, 8 months ago

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@Krishna Ar Would you definitely train me? :P....I too want to become atleast half-competent as you, Daniel and the others in problem solvin.... Krishna Ar · 2 years, 8 months ago

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Comment deleted May 25, 2014

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@Finn Hulse Thank you very much :D..... Krishna Ar · 2 years, 8 months ago

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@Krishna Ar You're welcome! I deleted that comment just for my own privacy though. :P Finn Hulse · 2 years, 8 months ago

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@Finn Hulse I would have asked you to do that even otherwise .... :P....because I strongly feel that one must have their privacy and I appreciate your stand on it (Y) Krishna Ar · 2 years, 8 months ago

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@Krishna Ar :D :D Finn Hulse · 2 years, 8 months ago

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Comment deleted May 25, 2014

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@Krishna Ar Cool. Finn Hulse · 2 years, 8 months ago

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